84results about How to "Compact assembly" patented technology

The invention discloses a dexterous hand finger based on connecting rod transmission, a bionic mechanical arm and a humanoid robot, belongs to the field of bionic mechanical arms, solves the problem that a transmission mechanism of an existing dexterous hand is low in response speed, and adopts the technical scheme that the dexterous hand finger mainly comprises a finger base and a finger body, a driver and a transmission mechanism in transmission connection with the driver are arranged on the finger base, the driver drives the finger body to bend and / or swing through the transmission mechanism, the transmission mechanism comprises a guide piece and a sliding block installed on the guide piece in a sliding mode, and the sliding block is in transmission connection with the finger body. A traction rope connected with the sliding block is wound on an output shaft of the driver, the driver controls the output shaft to rotate forwards and backwards so as to drag the sliding block to slide back and forth along the guiding piece through the traction rope, and then the finger body is controlled to bend and / or swing. The finger is mainly used for driving the sliding block to move through the pulling rope so as to control the finger body to bend and swing, and the response efficiency of the finger body can be improved.

The invention discloses a cycloid pinwheel reduction type robot joint module and an assembly method thereof, wherein the joint module comprises a drive plate, a motor assembly, a cycloid pinwheel reduction assembly and a housing, wherein the drive plate is connected to the motor assembly, and the output shaft of the motor assembly is connected to the cycloid pinwheel reduction assembly, and the drive plate, the motor assembly and the cycloid pinwheel reduction assembly are all arranged in the housing; wherein the cycloid pinwheel reduction assembly comprises a cycloid wheel center axis, on which a first cycloid center axis bearing, a second cycloid center axis bearing and an eccentric sliding bearing are sequentially sleeved; a cycloid wheel is sleeved on the eccentric sliding bearing, and the first cycloid center axis bearing and the second cycloid center axis bearing are respectively assembled on an input flange and an output flange, and the input flange and the output flange are arranged on both sides of the cycloid wheel and fixedly connected to the cycloid wheel. The robot joint module of the invention has a small size, high transmission efficiency, strong load-bearing capacity and simple assembly.

The utility model discloses a kind of charging waterproof desk lamps, the lamp pole is cylindrical structure, battery holder is equipped in the lamp pole, the battery holder is divided into three-layer structure, the three-layer structure is from top to bottom drive plate installation bin, upper battery bin and lower battery bin, the bottom end of battery holder is equipped with USB board, switch assembly is equipped on the USB board, the switch assembly passes through the lamp pole and extends to the outside of the lamp pole, the top of battery holder is equipped with fin, the top of fin is equipped with LED lamp board.Lens, the lower end of lens is equipped with external thread structure, the top of lamp pole is equipped with internal thread structure, the lens is fixed in the top of lamp pole by the thread structure, the lens is equipped in the top of LED lamp board, sealing ring is equipped between the lens and the LED lamp board, the top of lens is equipped with lamp body.The utility model is a kind of charging waterproof desk lamps with ingenious structure, convenient to carry and practical convenient.

The utility model discloses an eraser assembly capable of preventing breakage. The eraser assembly comprises an eraser body, an inner shell, an outer shell and a rotary cover. The eraser body is in a column shape, and the eraser body is arranged in the inner shell in a sleeved mode. Rotating shafts are formed on the two sides of the top of the inner shell respectively, and the two sides of the rotating cover are rotationally connected to the two rotating shafts respectively; the side surface of the rotary cover is fan-shaped; the inner shell is movably arranged in the outer shell in a sleeved mode. The eraser assembly has the advantage that the eraser is prevented from being torn or broken easily.

An automatic O-shaped sealing ring forming and assembling device comprises a base, a pressing ring assembly and a clamping seat assembly, the pressing ring assembly comprises a linear driving assembly, a rotary driving assembly and an installation table assembly, and the installation table assembly comprises an installation table body, a convex ring and a plurality of telescopic column assemblies. According to the automatic forming and assembling device for the O-shaped sealing ring, the ring pressing assembly is arranged, a user sleeves the sealing ring on the outer portion of the telescopic column assembly, the mounting table body is automatically controlled to be close to a workpiece through the linear driving assembly arranged on one side of the mounting table body, and in the process that the mounting table body is close to the workpiece, the sealing ring can be automatically formed. The surface of the workpiece abuts against the tail end of the telescopic column assembly, so that the telescopic column assembly is jacked back to the mounting table body, the sealing ring is finally disengaged from the tail end of the telescopic column assembly and is stably pressed into a mounting groove in the workpiece under the abutting of the convex ring, and therefore automatic mounting is achieved.

This invention provides a method for processing an ultrafine lithotripsy probe, comprising the following steps: S1. Inserting one end of the probe body into the mounting hole of the probe base to complete the initial assembly; S2. Placing the initially assembled ultrafine lithotripsy probe into a pressing device and fastening the probe body to the column of the pressing device, so that the probe base is located inside the heating coil of the heating machine; S3. Starting the heating machine to heat the probe base, and when the probe base reaches a predetermined state, using the pressing device to press the probe body into the mounting hole to a predetermined depth; S4. After pressing, removing the ultrafine lithotripsy probe and performing a cooling treatment. The ultrafine lithotripsy probe produced by this processing method has the advantages of tight assembly between the probe body and the probe base, low ultrasonic transmission loss, and the connection between the probe body and the probe base is not easily broken under high-frequency ultrasonic vibration, resulting in high lithotripsy efficiency.

The utility model relates to the technical field of handle opening, in particular to a vehicle door lock switch mounting structure, which is characterized by comprising a carrier, a switch body and a base, and the carrier is provided with a connecting part; the switch body is provided with a button triggering part; the base is provided with an installation groove, the switch body is located in the installation groove, one end of the button triggering part penetrates out of an opening of the installation groove, a suspension cavity is further formed in one side of the base, and the connecting part is located in the suspension cavity and fixedly connected with the base. According to the technical scheme, the installation structure which can be suitable for universal installation of multiple vehicle doors, the installation cost is reduced, and the structure is simplified and light is obtained, and the problems that a vehicle door lock switch is complex in installation and high in installation cost are solved.

The invention discloses an angular impact tool, belongs to the field of electric tools, solves the problem that an existing impact tool is not suitable for a narrow space, and adopts the technical scheme that the angular impact tool mainly comprises a shell, a driver, an impact mechanism and a gear assembly are arranged in the shell, and the driver drives the impact mechanism through the gear assembly; the impact mechanism comprises a driving shaft, a hammer and an anvil block, the end, away from the anvil block, of the driving shaft is connected with a first gear, the first gear is in transmission connection with the gear assembly, a first mounting groove is formed in the middle of the first gear, the shell is provided with a supporting piece, the supporting piece is provided with a first protrusion extending into the first mounting groove, and the peripheral side of the first protrusion is sleeved with a first bearing; the first bearing is embedded into the first mounting groove, the outer side wall of the first bearing is matched with the inner side wall of the first mounting groove, and the supporting piece covers the first mounting groove. The whole structure is more compact and can be suitable for a narrow space.

The invention discloses a combination and mold opening method of a mold for a molded calabash. The method is realized through a molded calabash mold, the molded calabash mold comprises an inner mold core and a mold outer sleeve, the inner mold core is mounted in the mold outer sleeve, the inner mold core and the mold outer sleeve are in taper fit, a bolt is mounted in the inner mold core, the bolt penetrates through the mold outer sleeve, and the inner mold core and the mold outer sleeve are fastened together through a nut. Due to the cooperation of the square head bolt and the nut, the inner mold core and the mold outer sleeve are assembled more tightly, the head of the square head bolt is arranged in the upper cavity of the assembly cavity of the inner mold core, and the inner mold core can be ejected out of the mold outer sleeve by applying upward external force to the square head bolt.

The utility model relates to the technical field of automobile part machining, and discloses an auxiliary fixing device for engine end cover machining, which comprises a machining table, a motor is fixedly connected to the middle of the left end of the machining table, a threaded rod is fixedly connected to the driving end of the motor, and a movable sleeve is in threaded connection to the left side of the outer wall of the threaded rod. The right side of the outer wall of the threaded rod is in threaded connection with a threaded sleeve, tenons are fixedly connected to the top ends of the movable sleeve and the threaded sleeve, and a first supporting plate and a first fixing frame are arranged at the top end of the tenon on the left side. According to the engine end cover clamping device, the movable sleeve, the threaded rod and the threaded sleeve are matched with one another, the motor drives the threaded rod to rotate, the movable sleeve moves on the threaded rod, the engine end cover can be fixed to a machining table through the clamping device, the stability and safety of the engine end cover are guaranteed, and the size of the clamping device can be adjusted; therefore, the engine end cover machining device adapts to engine end covers of different sizes and shapes, and then the engine end cover machining efficiency is improved.

The utility model discloses a stator shaft assembling device, which relates to the technical field of stator shaft assembling and comprises an assembling main body frame, the assembling main body frame is provided with a positioning clamp, stator winding equipment and a stator coil inserting seat, the positioning clamp is arranged on the assembling main body frame, and the stator winding equipment is arranged on the stator coil inserting seat. The positioning clamp comprises a clamp base, a positioning element, a supporting plate, a positioning block, a positioning disc and a clamping device, the clamping device is arranged on the positioning disc, the stator winding equipment comprises a winding rack, a connecting base, a winding shaft, an axial positioning shaft shoulder and a wire assembly, the winding rack is arranged on the assembling main body frame, the winding shaft is arranged on the winding rack through the connecting base, and the axial positioning shaft shoulder is arranged on the winding rack. The axial positioning shaft shoulder is installed on one side of the winding shaft, the wire guiding assembly is arranged on the winding rack, the stator wire inserting base is arranged on the assembling main body frame, the novel stator shaft assembling device can efficiently and accurately complete assembling work of the stator shaft, the production efficiency is improved, the defective product rate is reduced, and remarkable economic benefits are brought to the motor manufacturing industry.

The utility model provides a spare mechanical key installation structure of an automobile intelligent remote control key, which comprises a shell, a containing groove used for containing a mechanical key is arranged in the shell, and an insertion port of the mechanical key is arranged at one end of the shell; the elastic buckle assembly comprises a rotating rod piece and an elastic pressing piece, the rotating rod piece is rotationally connected to the shell, one end of the rotating rod piece is movably connected with the elastic pressing piece, and the other end of the rotating rod piece abuts against the mechanical key so that the mechanical key can be locked in the containing groove; when the elastic pressing piece is pressed towards the interior of the shell, the rotating rod piece rotates, so that the other end of the rotating rod piece unlocks the mechanical key. The automobile key overcomes the defect that a hidden mechanical key in an automobile key is difficult to install and take out, and is simple in structure, convenient to install and detach, compact in assembly and free of shaking and abnormal sound.

The application discloses a driving mechanism, comprising a motor and a hinged seat; the output end of the motor is provided with an adapter, the adapter has a torque output end, the hinged seat has a torque input end, the adapter transmits the torque of the motor to the hinged seat through the concave-convex cooperation of the torque output end and the torque input end, and a buffer pad is arranged on the torque transmission path of the torque output end and the torque input end, so that the mutual impact between the adapter and the hinged seat is filtered during the torque transmission process; the application provides a driving mechanism which solves the problem of poor impact resistance of the transmission driving mechanism.

The utility model discloses a concrete core tube design structure which comprises a partition wall which comprises a vertically-arranged inner support and a sealing cover plate on the surface, and a concrete layer is poured in the inner support and comprises a first waved plate and a second waved plate which are connected in an inserted mode. The inner stand column is arranged in the core tube structure and comprises a first steel outer frame provided with a concrete inner core, and the side face of the inner stand column abuts against, supports and positions the end face of the partition wall through a first steel corbel; the edge stand column is arranged on the edge of the core tube structure and comprises a second steel outer frame provided with a concrete inner core, and the side face of the edge stand column abuts against, supports and positions the end face of the partition wall through a second steel corbel. Compared with a common core tube structure, the core tube structure is convenient to integrally assemble and operate, and has the advantages of being good in structural anti-seismic ductility, energy dissipation performance, compression resistance and buckling resistance.

A gas-generating device drug column sealing end cap and sealing device, the sealing end cap comprises a circular cover plate, a three-layer cylinder standing on the inner surface of the circular cover plate, the three-layer cylinder is a concentric cylinder extending axially inward from the inner surface of the circular cover plate, and the three-layer cylinder comprises an outer cylinder, an inner cylinder and a center cylinder; a positioning cavity 1 for positioning the end of the outer tube is formed between the inner wall of the outer cylinder and the outer wall of the inner cylinder, the inner surface of the circular cover plate between the inner wall of the outer cylinder and the outer wall of the inner cylinder is the bottom surface of the positioning cavity; a positioning cavity 2 for positioning the end of the center tube is formed between the center cylinder and the inner circle of the circular cover plate. The sealing end cap can completely cover the edge of the outer tube to avoid drug leakage at both ends of the drug column, greatly reducing the safety hazards caused by drug leakage during production and transportation, and also improving the waterproof function of the drug column; the end cap and the outer tube are tightly assembled without the need for the process of tape sealing, thereby improving the production efficiency of the gas-generating device.

The utility model provides a support-free lens module and a car lamp. The support-free lens module comprises a lens, a substrate, a light source and a heat dissipation assembly. The lens is composed of a lens part and a supporting leg which are integrally formed and are both made of PC materials. The lens part is mounted above the substrate through the supporting legs, and the light source is mounted on the substrate below the lens part; the heat dissipation assembly comprises a fan erected on the back face of the substrate and a plurality of heat dissipation columns installed between the substrate and the fan, and the heat dissipation columns are arranged on the substrate in a matrix mode. The lens is composed of the lens part and the supporting legs which are integrally formed, the lens part and the supporting legs are both made of PC materials, the crystal is directly installed on the substrate through the supporting legs, an additional installation support is not needed, the structure is simplified, the overall size is reduced, and connection between the lens part and the supporting legs is more stable.

The utility model discloses a kind of encoder assemblies, coding turntable includes turntable part and connecting part;Connecting part has a cavity with one end open, the end face of open is provided with accommodating groove, annular tight fit ring is assembled in accommodating groove;Roller shaft is connected with the interference fit of this tight fit ring, to drive coding turntable rotation by tight fit ring. The utility model provides a kind of encoder assembly, by the cavity connection of roller shaft and coding turntable, realize hard connection accurate transmission, avoid skidding, while adopting silica gel tight fit ring and roller shaft interference fit, utilize silica gel elastic absorption vibration, make assembly more closely while effectively reduce operating noise, in addition, annular flange and elastic limiting protrusion are also provided, ensure that tight fit ring assembly is stable, prevent loosening. The encoder assembly of the application is simple and compact, reduces cost and improves reliability.

The invention provides a wall-mounted clothes treatment device which comprises a barrel, a front shell assembly, a cover plate and an automatic putting assembly, the automatic putting assembly is fixedly connected with the barrel and provided with a putting opening, the front shell assembly is arranged outside the barrel and the automatic putting assembly, the front shell assembly is provided with an opening part, the opening part is right opposite to the putting opening, and the cover plate is fixedly connected with the barrel. The cover plate is arranged in the opening part, the cover plate is hinged to the front shell assembly or detachably connected with the front shell assembly and used for opening or closing the opening part, and a sealing structure is arranged between the cover plate and the automatic throwing assembly; the cover plate is used as a part of the front shell assembly and is separated from the automatic putting assembly, so that a gap between the cover plate and the front shell assembly can be effectively reduced, the integral aesthetic degree of the clothes treatment device on the front side vision can be improved, the front shell assembly and the cover plate cannot generate space interference with the assembly of the automatic putting assembly, and the assembly efficiency is improved. And the manufacturing size precision and the assembly precision of related parts are reduced.

The utility model discloses a bait hot filling device which comprises a bait shell with a trapping cavity, a trapping groove is formed in the bottom of the trapping cavity, bait filled through the hot filling technology is arranged in the trapping groove, the bait is tightly attached to the trapping groove, the bait shell is provided with a plurality of side faces, and the side faces are sequentially connected in the circumferential direction of the bait shell to form the circumferential side of the bait shell. Each side face is provided with a trapping hole communicated with the trapping cavity, and the trapping holes account for 1 / 4-1 / 5 of the corresponding side faces. The trapping groove is formed in the bottom of the trapping cavity, and the bait which is poured into the trapping groove through the hot pouring technology and tightly attached to the trapping groove is arranged in the trapping groove, so that the bait is not prone to being separated from the trapping groove and is tightly assembled with the bait shell. Due to the fact that the trapping holes account for 1 / 4-1 / 5 of the corresponding side faces, the small-hole design of the trapping holes prevents bait from being separated from the bait shell from the trapping holes on one hand, the biological characteristics that cockroaches like drilling seams and darkness are met on the other hand, and the trapping effect is good.

The utility model discloses a paddle wheel and cleaning equipment, and relates to the technical field of propulsion equipment, the paddle wheel comprises a mounting seat, a driving motor, a driving motor, a driving motor, a driving motor, a driving motor, a driving motor, a driving motor, a driving motor and a driving motor, the mounting seat is provided with a mounting area, and the output end of the driving motor is connected with the mounting area; the blades are fixedly arranged outside the mounting seat and extend towards the axial direction of the driving motor; the avoiding part is arranged on the blade and is used for avoiding the driving motor; and when the driving motor drives the mounting seat to rotate, the avoiding part enables a part of the blade to rotate around the driving motor. According to the technical scheme, the power of the driving assembly can be increased, and meanwhile the production cost of the sweeping equipment is reduced.

The utility model provides an intelligent terminal compatible with wall hanging and desktop use, which relates to the technical field of display equipment assembly and comprises a terminal body and an on-hook plate, and the terminal body comprises a rear cover and a support plate rotatably connected with the rear cover. The rear cover is provided with an installation cavity forming a protruding part, one end of the hinge is embedded in the installation cavity, and the other end of the hinge is connected with the supporting plate and used for supporting the terminal body when the table top is used. And the rear cover is provided with a power supply interface, and the power supply interface sequentially penetrates through the supporting plate and the on-hook plate to be connected to a wall junction box. A positioning part is arranged on the rear cover, a magnetic sheet is embedded in the rear cover, a positioning protrusion made of magnetic conductive materials is arranged on the hanging plate, and stable positioning is achieved through magnetic attraction. The whole structure is compact, assembling and switching operations are simple and fast, the number of extra assemblies is reduced, the manufacturing cost is reduced, and the user experience is improved.

The invention relates to the technical field of mold manufacturing, in particular to an injection mold, an inclined guide pillar comprises a first rod body and a second rod body, the second rod body extends from a fixed mold plate to the outer side face of a rear mold set, and the second rod body slidably penetrates through a rear mold sliding block; external threads are formed at the front end of the first rod body, a guide pillar seat is concavely arranged on the lower surface of the fixed mold plate, the front end of the first rod body penetrates through the fixed mold plate and reaches the guide pillar seat, and the second rod body extends into the guide pillar seat and is in threaded connection with the first rod body; the fixed mold plate is provided with a threaded inclined hole, the threaded inclined hole is communicated with the guide column base, and the first rod body is installed in the threaded inclined hole in a fastened mode. According to the injection mold, the split type inclined guide column design is adopted, the first rod body and the second rod body are independently manufactured, machining is easy, deformation is not prone to occurring, and the manufacturing cost is low; and the first rod body is directly fastened on the fixed mold plate, and then the second rod body is in threaded butt joint with the first rod body, so that the assembly is tight, breakage is not easy during injection molding, the production efficiency is improved, and the production cost is reduced.

The utility model discloses a kind of transdermal oxygen partial pressure sensor fixing ring, including bush, oxygen-permeable membrane, gasket, metal protective sheet, fixed ring upper body and fixed ring lower body, the fixed ring upper body inner end face is designed with the thread for assembling with transdermal oxygen partial pressure sensor, bush, oxygen-permeable membrane, gasket, metal protective sheet are assembled in fixed body interior, gasket end face is equipped with the annular circular groove matched with the boss on bush.This utility model patent solves the problem that fixed ring is frequently replaced in original technical scheme, oxygen-permeable membrane is easily damaged, not easy to operate in assembly process.After the design improvement of utility model, the use replacement of transdermal oxygen partial pressure sensor fixing ring is more convenient, assembly process is simpler and more easy to operate, the oxygen-permeable membrane inside transdermal oxygen partial pressure sensor fixing ring is designed with protection function, ensure the safety when equipment works, improve the convenience, safety, stability of transdermal oxygen partial pressure sensor fixing ring, also improve various effects when fixed ring assembly is used.

The utility model discloses an air conditioner, air conditioner includes: casing, heat exchanger, fresh air duct piece, fan assembly, fan assembly is located in the fresh air duct piece, and fan assembly drives outdoor fresh air to enter the fresh air duct piece from fresh air import, and flows into the indoor through fresh air export, fan assembly includes axial flow fan and centrifugal fan, and axial flow fan is adjacent air duct import, and centrifugal fan is located axial flow fan's far side from air duct import, be equipped with the flow guide grating in the fresh air duct piece, and the flow guide grating is located between centrifugal fan and axial flow fan, and the flow guide grating guides outdoor fresh air from axial flow fan to centrifugal fan and adjusts the flow direction of outdoor fresh air. The flow guide grating of the utility model can guide the air outlet of axial flow fan, to make the airflow of passing through the flow guide grating by the direction of rotation guide flow for axial, to recover the rotational dynamic pressure of airflow, improve static pressure, be favorable to improve the air intake efficiency of centrifugal fan, and can improve the air guide volume of fan assembly, and the air guide effect is better.

The utility model provides a throwing cylinder rotation driving hydraulic system and a corn machine, the throwing cylinder rotation driving hydraulic system comprises a cycloid motor, a brake and a shuttle valve which are integrally arranged, and a power output shaft of the cycloid motor is connected with a rotating shaft of a throwing cylinder; the brake is arranged on a power output shaft of the cycloid motor; the cycloid motor and the shuttle valve are both communicated with the oil inlet pipeline, and the cycloid motor and the shuttle valve are both communicated with the oil return pipeline; the third end of the shuttle valve is communicated with a control oil inlet of the brake through a control hydraulic pipeline; a control oil outlet of the brake is communicated with a control oil return opening of the cycloid motor through a control hydraulic pipeline. The braking of the throwing cylinder mainly depends on the friction force of a friction plate in the brake, belongs to mechanical braking, and is good in braking effect and high in reliability; when the throwing cylinder is fixed at a position for a long time, the situation that the braking effect is reduced due to internal leakage generated by a hydraulic system, and the throwing cylinder swings slightly is avoided, and the pointing accuracy of the throwing cylinder is improved.

The utility model relates to encoder technical field especially is related to a kind of stable plastic transparent shaft rotary type with luminous lamp encoder, including the sleeve part and coding part of sequentially assembled, and the light guide shaft core of being threaded in the axis, contact light part is provided in coding part inside, contact light part includes the fixed plate of base and base joint, setting has the placing groove in base, emitting body is installed in placing groove, light guide shaft core one end and emitting body contact, base periphery is equipped with multiple contact parts connected with emitting body, contact part and the terminal of coding part elastically contact and conduct electricity.The utility model is through the terminal of multiple coding parts elastically contact and conduct electricity of contact part of being set in base periphery, abandoned the welding mode of transmission, effectively avoid the problem of poor contact, not bright, simultaneously, emitting body directly with light guide shaft core contact, improve luminous efficiency and side luminous efficiency, so that light source is more uniform and brightness is enough.

The invention belongs to the technical field of fluid control, and discloses a pendulum type mute rocker valve based on permanent magnet driving assistance and a control method, a cavity is defined by a valve body and a sealing assembly, a base and a support are sequentially arranged in a sleeved mode to achieve compact assembly, and the overall thickness of the valve is effectively reduced. A shaft penetrates through each component to realize linkage positioning, and a magnet is matched to drive an auxiliary structure to replace traditional pure coil driving to reduce power consumption; the conductive part supplies power to the coil and is matched with the magnet in the yoke to generate electromagnetic acting force to drive the sealing assembly to swing stably around the shaft, impact generated by beating of a movable armature and a static armature of a traditional electromagnet is avoided, and vibration and noise are reduced fundamentally. The sealing assembly is tightly attached to the sealing piece in the end face groove of the valve body, so that the sealing stability is guaranteed, and meanwhile slight vibration in the swinging process is buffered. Therefore, the problems that a traditional valve is large in noise and vibration are solved, the power consumption is reduced by optimizing the driving mode, and the use requirement of a high-precision scene is met.

The utility model discloses a concrete poured assembly type reinforcing steel bar floor system, which belongs to the technical field of building design and comprises a reinforcing steel bar truss and a precast concrete layer, the reinforcing steel bar truss is wrapped in the precast concrete layer, a lower chord reinforcing steel bar is arranged on the reinforcing steel bar truss, two ends of the lower chord reinforcing steel bar protrude out of the precast concrete layer, and the end part of the lower chord reinforcing steel bar is L-shaped. The end of the lower chord steel bar is sleeved with a telescopic buckle which is made of steel, a guide strip is arranged in the telescopic buckle, one end of the guide strip is arranged in the lower chord steel bar, the other end of the guide strip is clamped with a movable sleeve in a sliding mode, the movable sleeve is sleeved with the upper end of the end of the lower chord steel bar, a sliding groove is formed in the end of the lower chord steel bar, and a spring is sleeved with the sliding groove. According to the steel bar truss composite floor system assembling device, the construction efficiency and the safety are improved, and meanwhile the stability, the durability and the safety of the assembling position of the steel bar truss composite floor system are guaranteed.